Step 3
Medical library
What Step 3 asks of a doctor practicing on their own, area by area as the content outline weighs it: the next step, the right test, the first drug and what to monitor, prevention, and safety. 3,682 rules across 16 areas.

- Biostatistics, Epidemiology & LiteratureStudy designs, test math, bias, and reading a drug ad or an abstract for what it really shows.11–13% · 9 topics · 226 rules
- Cardiovascular SystemChest pain, heart failure, rhythm, pressure and vessels: the next step and the long-term plan.9–11% · 10 topics · 282 rules
- Nervous System & Special SensesStroke, seizure, headache, memory, nerves, plus the eye and the ear.8–10% · 11 topics · 309 rules
- Respiratory SystemAsthma, COPD, pneumonia, clots, nodules and failing lungs, in the office and the ICU.8–10% · 10 topics · 274 rules
- Pregnancy, Female Reproductive & BreastPrenatal care to postpartum, then contraception, menses, menopause, infections and breast.7–9% · 11 topics · 297 rules
- Communication, Ethics & Patient SafetyCapacity, consent, confidentiality, hard conversations, errors and how systems keep patients safe.7–9% · 8 topics · 213 rules
- Gastrointestinal SystemBleeding, liver, gallbladder and pancreas, bowel disease, screening and the acute abdomen.6–8% · 11 topics · 320 rules
- Immune, Blood & MultisystemAnemia, clotting, blood cancers, HIV, allergy, sepsis, poisoning and the environment.6–8% · 8 topics · 235 rules
- Endocrine SystemDiabetes in the office and the hospital, thyroid, adrenal, pituitary, calcium and bone.5–7% · 7 topics · 211 rules
- Musculoskeletal SystemBack pain, arthritis, rheumatology, injuries and the child who limps.5–7% · 6 topics · 168 rules
- Behavioral HealthMood, anxiety, psychosis, substance use and safety, with the first drug and its monitoring.4–6% · 10 topics · 231 rules
- Renal, Urinary & Male ReproductiveKidney injury, CKD, sodium and potassium, stones, infections and the male patient.4–6% · 6 topics · 171 rules
- Skin & Subcutaneous TissueRashes, infections, skin cancer, dangerous drug reactions, wounds and burns.4–6% · 7 topics · 194 rules
- Human Development & Well CareNormal growth and aging, screening schedules and vaccines across a lifetime.1–3% · 5 topics · 140 rules
- NutritionAssessment, therapeutic diets, feeding support, deficiencies and drug–food interactions.15–20% (with a system) · 8 topics · 224 rules
- CCS Case SimulationsHow a case runs and the orders that move it: stabilize, test, treat, reassess, counsel.Day 2 cases · 7 topics · 187 rules
Percentages are the share of Step 3 questions in each area from the published content outline; Nutrition questions also belong to a system. Want something explained? Ask the AI Tutor.